Space Brief 22 Mar 2025
Today's briefing covers a range of critical space industry updates, from Space Force's strategic initiatives to SpaceX's latest launch record and groundbreaking developments in orbital manufacturing.
SJ-28 (66549)
COSPAR: 2025-277A | Alt Name: N/A
Image
Additional Sources
Launch Details
Launch Date
November 30, 2025
Launch Site
WSC
Launch Pad
LC201
Launch Vehicle
Chang Zheng 7A
Orbital Elements
NORAD ID
66549
International Designator
2025-277A
Epoch
Sun, 19 Jul 2026 19:24:38 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
4.46°
Right Ascension
271.61°
Eccentricity
Calculating...
Argument of Perigee
55.20°
Period
1436.05 min
Mean Motion
1.00 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Explore in the Catalog
Basic Satellite Info
Name
SJ-28
Alternative Name
N/A
Type
Payload
Status
Operational
Owner
ZLZB
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 66549U 25277A 26200.80878049 -.00000361 00000+0 00000+0 0 9996
2 66549 4.4551 271.6129 0001180 55.1968 18.7632 01.00274762 2483
Source: Celestrak
Summary
Apologies, there is no summary for this satellite yet. I am working to generate these for every object in the catalog, but it is going to take time.
Physical Characteristics
Length
5.0
Diameter
2.5
Span
30.0
Dry Mass
2500
Launch Mass
4000
Shape
Box + 2 Pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Shi Jian 28
Purpose
Unknown
Mission
Unknown
Manufacturer
CAST
Life Expectancy
Unknown
Bus
SJ28
Configuration
Unknown
Motor
LAE
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
Map
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration
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